Mr Grigg joined the ERA Board as a Non-Executive Director in January 2024.

Mr Grigg is currently General Manager Closure Excellence - Rio Tinto, having global accountability for the strategic planning and governance of Rio Tinto’s asset closure activities. Mr Grigg joined Rio Tinto in 2007 and has held a range of senior legal, regulatory and commercial roles across corporate and operational areas of Rio Tinto.

Prior to joining the ERA Board, Mr Grigg was a non-executive director on the board of the NYSE and TSE listed Turquoise Hill Resources (TRQ) (through which Rio Tinto holds its interest in the Oyu Tolgoi mine in Mongolia) from 2020 until Rio Tinto’s 100% acquisition of the minority interests of TRQ in December 2022 and its subsequent delisting, as well as being director and chair of a number of incorporated and unincorporated joint venture boards.